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Use String#slice instead of String#indexOf for _.endsWith and _.startsWith.

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This commit is contained in:
John-David Dalton
2016-07-24 08:29:39 -07:00
parent 6a41a79ded
commit 6402af7db9
2 changed files with 15 additions and 18 deletions
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27
test/test.js
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@@ -5393,14 +5393,6 @@
assert.strictEqual(_.endsWith(string, 'ab', 2.2), true);
});
QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) {
assert.expect(1);
assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
return _.endsWith(string, '', position, true);
}));
});
}());
/*--------------------------------------------------------------------------*/
@@ -20885,14 +20877,6 @@
assert.strictEqual(_.startsWith(string, 'bc', 1.2), true);
});
QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) {
assert.expect(1);
assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) {
return _.startsWith(string, '', position, true);
}));
});
}());
/*--------------------------------------------------------------------------*/
@@ -20924,9 +20908,20 @@
assert.expect(2);
var position = isStartsWith ? 1 : 2;
assert.strictEqual(func(string, 'b', Object(position)), true);
assert.strictEqual(func(string, 'b', { 'toString': lodashStable.constant(String(position)) }), true);
});
QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) {
assert.expect(1);
var positions = [-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity];
assert.ok(lodashStable.every(positions, function(position) {
return func(string, '', position);
}));
});
});
/*--------------------------------------------------------------------------*/